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Transcerebellar plane and nuchal fold measurement

Case contributed by Alexandra Stanislavsky
Diagnosis not applicable

Presentation

Routine 2nd trimester ultrasound

Axial image through the fetal head at the level of the cerebellum demonstrating appropriate plane, head angulation and caliper placement for the measurement of the nuchal fold.

Note also the cerebellar measurement. The size of the cerebellum in mm should approximate the fetal age in weeks.

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